ja040082h_si_001.pdf (393.94 kB)
Electrophoretic Analysis and Purification of Fluorescent Single-Walled Carbon Nanotube Fragments
journal contribution
posted on 2004-10-13, 00:00 authored by Xiaoyou Xu, Robert Ray, Yunlong Gu, Harry J. Ploehn, Latha Gearheart, Kyle Raker, Walter A. ScrivensArc-synthesized single-walled carbon nanotubes have been purified through preparative electrophoresis in agarose gel and glass bead matrixes. Two major impurities were isolated: fluorescent carbon and short tubular carbon. Analysis of these two classes of impurities was done. The methods described may be readily extended to the separation of other water-soluble nanoparticles. The separated fluorescent carbon and short tubule carbon species promise to be interesting nanomaterials in their own right.